summaryrefslogtreecommitdiffstats
path: root/tests/test-runner.c
blob: c4a57a303f5e77545be14fff997f1f54afdcbd20 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
/*
 * Copyright © 2012 Intel Corporation
 *
 * Permission to use, copy, modify, distribute, and sell this software and its
 * documentation for any purpose is hereby granted without fee, provided that
 * the above copyright notice appear in all copies and that both that copyright
 * notice and this permission notice appear in supporting documentation, and
 * that the name of the copyright holders not be used in advertising or
 * publicity pertaining to distribution of the software without specific,
 * written prior permission.  The copyright holders make no representations
 * about the suitability of this software for any purpose.  It is provided "as
 * is" without express or implied warranty.
 *
 * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
 * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
 * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
 * OF THIS SOFTWARE.
 */

#define _GNU_SOURCE

#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <string.h>
#include <assert.h>
#include <dlfcn.h>
#include <errno.h>
#include "test-runner.h"

static int num_alloc;
static void* (*sys_malloc)(size_t);
static void (*sys_free)(void*);

extern const struct test __start_test_section, __stop_test_section;

__attribute__ ((visibility("default"))) void *
malloc(size_t size)
{
	num_alloc++;
	return sys_malloc(size);
}

__attribute__ ((visibility("default"))) void
free(void* mem)
{
	if (mem != NULL)
		num_alloc--;
	sys_free(mem);
}

static const struct test *
find_test(const char *name)
{
	const struct test *t;

	for (t = &__start_test_section; t < &__stop_test_section; t++)
		if (strcmp(t->name, name) == 0)
			return t;

	return NULL;
}

static void
run_test(const struct test *t)
{
	int cur_alloc = num_alloc;
	int cur_fds;

	cur_fds = count_open_fds();
	t->run();
	assert(cur_alloc == num_alloc && "memory leak detected in test.");
	assert(cur_fds == count_open_fds() && "fd leak detected");
	exit(EXIT_SUCCESS);
}

int main(int argc, char *argv[])
{
	const struct test *t;
	pid_t pid;
	int total, pass;
	siginfo_t info;

	/* Load system malloc and free */
	sys_malloc = dlsym(RTLD_NEXT, "malloc");
	sys_free = dlsym(RTLD_NEXT, "free");

	if (argc == 2) {
		t = find_test(argv[1]);
		if (t == NULL) {
			fprintf(stderr, "unknown test: \"%s\"\n", argv[1]);
			exit(EXIT_FAILURE);
		}

		run_test(t);
	}

	pass = 0;
	for (t = &__start_test_section; t < &__stop_test_section; t++) {
		int success = 0;

		pid = fork();
		assert(pid >= 0);

		if (pid == 0)
			run_test(t); /* never returns */

		if (waitid(P_ALL, 0, &info, WEXITED)) {
			fprintf(stderr, "waitid failed: %m\n");
			abort();
		}

		fprintf(stderr, "test \"%s\":\t", t->name);
		switch (info.si_code) {
		case CLD_EXITED:
			fprintf(stderr, "exit status %d", info.si_status);
			if (info.si_status == EXIT_SUCCESS)
				success = 1;
			break;
		case CLD_KILLED:
		case CLD_DUMPED:
			fprintf(stderr, "signal %d", info.si_status);
			break;
		}

		if (t->must_fail)
			success = !success;

		if (success) {
			pass++;
			fprintf(stderr, ", pass.\n");
		} else
			fprintf(stderr, ", fail.\n");
	}

	total = &__stop_test_section - &__start_test_section;
	fprintf(stderr, "%d tests, %d pass, %d fail\n",
		total, pass, total - pass);

	return pass == total ? EXIT_SUCCESS : EXIT_FAILURE;
}